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Finding the Fourth Proportional to 672,322.02, 927,804.53 and 366,398.47

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Solution

The fourth proportional to 672,322.02, 927,804.53 and 366,398.47 is: 505,629.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,322.02 : 927,804.53 = 366,398.47 : x
  2. Step 2: Convert to fraction form
    672,322.02/927,804.53 = 366,398.47/x
  3. Step 3: Cross multiply
    672,322.02x = 927,804.53 × 366,398.47
  4. Step 4: Simplify right side
    672,322.02x = 339,946,160,251.07
  5. Step 5: Solve for x
    x = 339,946,160,251.07/672,322.02
  6. Step 6: Final answer
    x = 505,629.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.